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Finding the Fourth Proportional to 501,576.30, 752,364.45 and 330,334.20

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Solution

The fourth proportional to 501,576.30, 752,364.45 and 330,334.20 is: 495,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,576.30 : 752,364.45 = 330,334.20 : x
  2. Step 2: Convert to fraction form
    501,576.30/752,364.45 = 330,334.20/x
  3. Step 3: Cross multiply
    501,576.30x = 752,364.45 × 330,334.20
  4. Step 4: Simplify right side
    501,576.30x = 248,531,708,699.19
  5. Step 5: Solve for x
    x = 248,531,708,699.19/501,576.30
  6. Step 6: Final answer
    x = 495,501.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.